THE OSTRICH-FOOT SHELL Genus STRUTHIOLARIA, Lam.
Shell oval oblong, spire turreted, whorls with angled, knobbed shoulder; aperture roundish, narrowed by the thickening and flattening of both lips; operculum short, claw-like, with apical projection.
This New Zealand genus, containing three C7 four species, is allied with Strombus and Rostellaria. The form of the aperture and operculum account for the name. Length, 2 to 3 inches. Type, S. nodulosa, Mart.
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